1229382336 has 224 divisors, whose sum is σ = 4239889920. Its totient is φ = 305086464.

The previous prime is 1229382331. The next prime is 1229382409. The reversal of 1229382336 is 6332839221.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×1229382336² = 3022761856137633792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1229382294 and 1229382303.

It is not an unprimeable number, because it can be changed into a prime (1229382331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294955 + ... + 299093.

It is an arithmetic number, because the mean of its divisors is an integer number (18928080).

Almost surely, 2^1229382336 is an apocalyptic number.

1229382336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229382336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119944960).

1229382336 is an abundant number, since it is smaller than the sum of its proper divisors (3010507584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229382336 is a wasteful number, since it uses less digits than its factorization.

1229382336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4181 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 1229382336 is about 35062.5489090568. The cubic root of 1229382336 is about 1071.2618925885.

The spelling of 1229382336 in words is "one billion, two hundred twenty-nine million, three hundred eighty-two thousand, three hundred thirty-six".